There is uncertainty about how much remote monitoring devices would affect resource use in the NHS and personal social services. Some impacts may not have been included in the external assessment group's (EAG) model because of a lack of data (see section 3.12), including resource use related to carers (see section 3.13). Adopting the technologies may change how care is provided (see section 3.4) so their effect on resources is hard to estimate without direct data. So, the committee recommended collecting data on how much using the devices affects resource use, to inform cost-effectiveness estimates. Data on time dedicated to training and spent reviewing device results should also be collected. The broader impact on services provided by Parkinson's specialist teams and carers should be considered.